Re-enactors are people who dress in replica costumes and portray people of a different time period. Some portray soldiers, airmen, fur traders, 1940s female singing groups etc.
Here are some photos of a few of these people.
Fur Trade Brigade Encampment 2016 AUG at Fort Nisqually, Tacoma, WA, USA
Civil War re-enactment “Battle of Snoqualmie”, at Snoqualmie, WA 2016